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Bessmer process
Henry Bessmer who took out a patent on process in 1855 -
Motion picture
The history of flim began in the 1890's with the invention of the first motion picture cameras and the establishment of the first flim production -
X-ray machine
wilhelm rontgen accidently discovered x-rays it was highly energetic electromaganetic radition it was capable of penetrating most soild objects -
Airplane
wilbur and orville wright made four brief flights on their first aircaft